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Ray floret, typical for flowers of the family Asteraceae A. ovary B. pappus C. anthers D. ligule. E. style with stigmas: Date: 25 February 2008, 13:40 (UTC) Source:
The ray floret is female with one pistil containing one style, two stigmas, and an ovary with one ovule. Labeled parts are as follows: Labeled parts are as follows: 1 – corolla (petals) (three petals are joined to form a strap, and in the case of 5 petals, they form a ligule);
The nimbus in Christian art first appeared in the 5th century, but practically the same motif was known from several centuries earlier, in pre-Christian Hellenistic art. It is found in some Persian representations of kings and gods, and appears on coins of the Kushan kings Kanishka, Huvishka and Vasudeva, as well as on most representations of the Buddha in Greco-Buddhist art from the 1st ...
'little glory'), is a crown of light rays, circle or disk of light [3] that surrounds a person in works of art. The halo occurs in the iconography of many religions to indicate holy or sacred figures, and has at various periods also been used in images of rulers and heroes.
The Ray of Light, also known as Le Coup de Soleil, (c. 1665) is an oil on canvas painting by the Dutch painter Jacob van Ruisdael. It is an example of Dutch Golden Age painting and is now in the collection of the Louvre Museum. This painting was documented by Hofstede de Groot in 1911, who wrote; "664. THE BURST OF SUNSHINE (" Le Coup de Soleil ...
It was adapted by flowers to orient pollinators leading to an example of co-evolution. [8] UV light allows them to broadcast a guide to where their pollen is located. [4] Due to unique life characteristics and morphology of flowers, pollinators are more effective at taking the pollen and spreading it to other flowers of the same species. [3]
What appear to be "petals" of an individual flower, are actually each individual complete ray flowers, and at the center is a dense pack of individual tiny disc flowers. Because the collection has the overall appearance of a single flower, the collection of flowers in the head of this sunflower is called a pseudanthium or a composite.
The principal ray or chief ray (sometimes known as the b ray) in an optical system is the meridional ray that starts at an edge of an object and passes through the center of the aperture stop. [ 5 ] [ 8 ] [ 7 ] The distance between the chief ray (or an extension of it for a virtual image) and the optical axis at an image location defines the ...